noun
hen
HEN/hen/
A mature female bird, especially a chicken.
The hen stands beside a shallow straw nest containing eggs.

Etymology
Old English henn already meant the female domestic fowl. Historically, it is a feminine formation paired with the word for a cock, preserving the female–male distinction in the modern meaning.
In context
it was mothering his men, [music] um, suddenly turning round and comforting somebody or preparing food for him and acting basically like a hen with one chicken.